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negatively charged particle was initially still. When released, it goes from a plate with a negative...

 negatively charged particle was initially still. When released, it goes from a plate with a negative charge to a plate with a positive charge, in favor of the electrical forces. 

1. On that path, your potential energy 
   a. Increases
   b. Decreases

2. and your Answer kinetic energy.

a. Increases

b. Decreases

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